国際会議論文
- K. Ito, Y. Shiotsu, and S. Sugahara, “Design of Highly-Stable Energy-Minimum-Point SRAM Using Ultralow-Voltage Retention Cell”, 2024 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK 2024), Kyoto, Japan, November 21-22, 2024, paper R08.
- S. Yoshida, Y. Shiotsu, and S. Sugahara, “Comparative Study of Gain Cells for Pseudo-SRAM”, 2024 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK 2024), Kyoto, Japan, November 21-22, 2024, paper P10.
- H. Kumagai, Y. Shiotsu, and S. Sugahara, “MODELING AND DESIGN OF TRANSVERSE-TYPE MICRO THERMOELECTRIC GENERATOR USING SILICON NANOWIRES”, IEEE International Conference on Micro Electro Mechanical Systems (MEMS) 2021, Online, January 25-29, 2021, paper M-136.i.
- D. Kitagata, S. Yamamoto, and S. Sugahara, “A New Store Energy and Latency Reduction Architecture for Nonvolatile SRAM Using STT-MTJs: Proactive Useless Data Flush Architecture”, IEEE International Electron Devices Meeting (IEDM) MRAM special session 2019, San Francisco, USA, December 7-11, 2019, paper P-25.
- Y. Shiotsu, S. Yamamoto, H. Funakubo, M. K. Kurosawa, and S. Sugahara, “Design of New Piezoelectronic Transistors and Their Ultralow-Voltage SRAM Application”, 2019 Joint International EUROSOI Workshop and International Conference on Ultimate Integration on Silicon (EUROSOI-ULIS 2019), Grenoble, France, April 1-3, 2019, paper P11.
- Y. Shiotsu, T. Okubo, H. Kumagai, and S. Sugahara, “Design and Performance of Silicon Nanowire Micro Thermoelectric Generators”, 2019 Joint International EUROSOI Workshop and International Conference on Ultimate Integration on Silicon (EUROSOI-ULIS 2019), Grenoble, France, April 1-3, 2019, paper P14.
- Y. Shiotsu, T. Seino, N. Chiwaki, and S. Sugahara, “Thin-Film π-Type Micro TEG Using Vacuum/Insulator-Hybrid Isolation with Convex-Shape Hot-Plate Module Structure for Wearable Device Applications”, Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) 2018, Daytona Beach, USA, December 4-7, 2018, paper PT-08c.
- D. Kitagata, S. Yamamoto, and S. Sugahara, “Design and Performance of Virtually Nonvolatile Retention Flip-Flop Using Dual-Mode Inverters”, 2nd New Generation of Circuits & Systems Conference (NGCAS2018), Valletta, Malta, November 20, 2018, pp. 182-185.
- D. Kitagata, H. Yoshida, S. Yamamoto, and S. Sugahara, “Virtually Nonvolatile Retention SRAM cell Using Dual-Mode Inverters”, 2018 IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S Conference 2018), San Francisco, USA, October 15-18, 2018, paper 13.5.
- D. Kitagata, S. Yamamoto, and S. Sugahara, “A New Architecture of Store Energy and Latency Reduction for Nonvolatile SRAM Based on Spintronics/CMOS-Hybrid Technology”, 2018 International Conference on Solid State Device and Materials (SSDM2018), Tokyo, Japan, September 9-13, 2018, paper B-4-03, pp. 119-120.
- D. Kitagata, S. Yamamoto, and S. Sugahara, “Virtually Nonovolatile Retention Flip-Flop Using FinFET Technology”, 2018 IEEE Silicon Nanoelectronics Workshop (SNW 2018), Honolulu, USA, June 17-18, 2018, paper P2-17, pp. 173-174.
- Y. Shiotsu, S. Yamamoto, Y. Shuto, H. Funakubo, M. K. Kurosawa, and S. Sugahara, “Design and Circuit Performance of a New Piezoelectronic Transistor”, 2018 IEEE Silicon Nanoelectronics Workshop (SNW 2018), Honolulu, USA, June 17-18, 2018, paper P2-5, pp. 149-150.
- T. Seino, N. Chiwaki, S. Yamashita, and S. Sugahara, “DESIGN AND PERFORMANCE OF pi-TYPE THIN-FILM NANO-TEG USING VACUUM/SiO2-HYBRID INSULATION MODULE STRUCTURE”, IEEE Electron Devices Technology and Manufacturing (EDTM) Conference 2018, Kobe, Japan, March 13-16, 2018, paper P-11, pp. 292-294.
- D. Kitagata, S. Yamamoto, and S. Sugahara, “Hierarchical Store-Free Architecture for Nonvolatile SRAM Using STT-MTJs”, IEEE International Electron Devices Meeting (IEDM) MRAM special session 2017, San Francisco, USA, December 2-6, 2017, paper P-23.
- N. Chiwaki, T. Seino, and S. Sugahara, “DESIGN AND PERFORMANCE OF TRANSVERSE-TYPE THIN-FILM NANO-TEG MODULES”, Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) 2017, Kanazawa, Japan, November 14-17, 2017, paper PW.73.
- T. Seino, N. Chiwaki, S. Yamashita, and S. Sugahara, “DESIGN AND PERFORMANCE OF π-TYPE THIN-FILM NANO-TEG MODULES”, Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) 2017, Kanazawa, Japan, November 14-17, 2017, paper PT.70.
- S. Sugahara, Y. Shuto, S. Yamamoto, H. Funakubo, and M. K. Kurosawa, “Piezoelectronic Transistor for Low-Voltage High-Speed Integrated Electronics”, 2017 IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S Conference 2017), San Francisco, USA, October 16-19, 2017, paper 16.5.
- T. Akushichi, D. Kitagata, Y. Shuto, and S. Sugahara, “Analysis of Spin Accumulation in a Si Channel Using CoFe/MgO/Si Spin Injectors”, Electron Device Technology and Manufacturing Conference, Toyama, Japan, February 28-March 2, 2017, paper P-15, pp. 204-205.
- D. Kitagata, Y. Shuto, S. Yamamoto, and S. Sugahara, “Analysis of Break-Even Time for Nonvolatile SRAM with SOTB Technology”, Electron Device Technology and Manufacturing Conference, Toyama, Japan, February 28-March 2, 2017, paper 4B-5, pp.72-74.
- T. Kondo, N. Chiwaki, and S. Sugahara, “Design and performance of thin-film μTEG modules for wearable device applications”, Electron Device Technology and Manufacturing Conference, Toyama, Japan, February 28-March 2, 2017, paper P-14, pp. 201-203.
- Y. Takamura, Y. Shuto, S. Yamamoto, H. Funakubo, M. K. Kurosawa, S. Nakagawa, and S. Sugahara, “Inverse-Magnetostriction-Induced Switching Current Reduction Technique for Spin-Transfer Torque MTJs and Its Low-Power MRAM Applications”, 2016 MRS Fall Meeting & Exhibit, Boston, America, November 27-December 2, 2016, paper EM10.5.03.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Energy Performance of Nonvolatile Power-Gating SRAM Using SOTB Technology”46th European Solid-State Circuits Conference, Lausanne, Switzerland, September 12-15, 2016, pp. 87-90.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Design and Implementation of Nonvolatile Power-Gating SRAM Using SOTB Technology”, International Symposium on Low Power Electronics and Design, San Francisco, USA, August 8-10, 2016, pp. 338-343.
- T. Akushichi, D. Kitagata, Y. Takamura, Y. Shuto, and S. Sugahara, “Spin Accumulation in a Si Channel using High-Quality CoFe/MgO/Si Spin Injectors”, 2016 IEEE Silicon Nanoelectronics Workshop (SNW 2016), Honolulu, USA, June 12-13, 2016, paper P1-27.
- D. Kitagata, T. Akushichi, Y. Takamura, Y. Shuto, and S. Sugahara, “Robust Design of Electric-field-assisted Nonlocal Si-MOS Spin-devices”, 2016 IEEE Silicon Nanoelectronics Workshop (SNW 2016), Honolulu, USA, June 12-13, 2016, paper P2-23, pp. 200-201.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Nonvolatile Power-gating Architecture for SRAM using SOTB Technology”, 2016 IEEE Silicon Nanoelectronics Workshop (SNW 2016), Honolulu, USA, June 12-13, 2016, paper P2-6, pp. 166-167.
- Y. Takamura, Y. Shito, S. Yamamoto, H. Funakubo, M. K. Kurosawa, S. Nakagawa, and S. Sugahara, “Inverse-magnetostriction-induced switching current reduction of STT-MTJs and its application for low-voltage MRAM”, 2016 Joint International EUROSOI Workshop and International Conference on Ultimate Integration on Silicon (EUROSOI-ULIS 2016), Vienna, Austria, January 25-27, 2016, pp. 72-75.
- Y. Ikuse, T. Akushichi, Y. Shuto, Y. Takamura, and S. Sugahara, “Spin injection into silicon using CoFe/TiO2/Si tunnel contacts”, The 13th Joint MMM-Intermag Conference, San Diego, CA, USA, January 11-15, 2016, paper DT-05.
- Yusuke Shuto, Shuu’ichirou Yamamoto, Satoshi Sugahara, “Quantitative comparison of power-gating architectures for FinFET-based nonvolatile SRAM using spintronics retention technology”, 4th Berkeley Symposium on Energy Efficient Electronic Systems (E3S), Berkeley, CA, USA, October 1-2, 2015.
- Daiki Kitagata, Taiju Akushichi, Yota Takamura, Yusuke Shuto, Satoshi Sugahara, “Design and analysis of electric-field-assisted nonlocal silicon-channel spin devices”, 2015 IEEE Silicon Nanoelectronics Workshop (SNW2015), Kyoto, Japan, June 14-15, 2015, paper 5-25.
- Tsuyoshi Kondo, Yu Kawame, Yota Takamura, Yusuke Shuto, Satoshi Sugahara, “Fabrication of high-quality Co2FeSi0.5Al0.5/CoFe/MgO/Si spin injectors for Si-channel spin devices”, 2015 IEEE Silicon Nanoelectronics Workshop (SNW2015), Kyoto, Japan, June 14-15, 2015, paper 6-4.
- Yusuke Shuto, Shuu'ichirou Yamamoto, Satoshi Sugahara, “Comparative study of power-gating architectures for nonvolatile FinFET-SRAM using spintronics-based retention technology”, 18th Design, Automation and Test in Europe (DATE15), Grenoble, France, March 9-13, 2015, paper 7.7.3, pp. 866-871.
- Yusuke Shuto, Shuu'ichirou Yamamoto, Satoshi Sugahara, “Comparative study of power-gating architectures for nonvolatile SRAM cells based on spintronics technology”, 2014 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS2014), Ishigaki, Okinawa, Japan, November 17-20, 2014, pp. 699-702.
- Yu Kawame, Taiju Akushichi, Yota Takamura, Yusuke Shuto, and Satoshi Sugahara, “Fabrication and characterization of a spin injector using a high-quality B2-ordered-Co2FeSi0.5Al0.5 /MgO /Si tunnel contact”, 59th Annual Magnetism and Magnetic Materials Conference (MMM2014), Honolulu, HI, USA, November 3-7, 2014, paper AH-09.
- Taiju Akushichi, Yota Takamura, Yusuke Shuto, and Satoshi Sugahara, “Spin accumulation in Si channels using CoFe/MgO/Si and CoFe/AlOx/Si tunnel contacts with high quality tunnel barriers prepared by radical-oxygen annealing”, 59th Annual Magnetism and Magnetic Materials Conference (MMM2014), Honolulu, HI, USA, November 3-7, 2014, paper FW-11.
- Yota Takamura, Taiju Akushichi, Yusuke Shuto, and Satoshi Sugahara, “Analysis and design of nonlocal spin devices with bias-induced spin-transport acceleration”, 59th Annual Magnetism and Magnetic Materials Conference (MMM2014), Honolulu, HI, USA, November 3-7, 2014, paper GS-07.
- Yusuke Shuto, Katsunori Takahashi, Taiju Akushichi, and Satoshi Sugahara, “Fabrication of a CoFe/TiO2/Si tunnel contact and its spin-injector application”, 59th Annual Magnetism and Magnetic Materials Conference (MMM2014), Honolulu, HI, USA, November 3-7, 2014, paper FW-15.
- Yusuke Shuto, Shuu'ichirou Yamamoto, and Satoshi Sugahara, "Near-threshold voltage operation of nonvolatile SRAM cell based on pseudo-spin-FinFET architecture", 2014 IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S Conference 2014), Millbrae, CA, USA, October 6-10, 2014, paper 9b.4.
- Yusuke Shuto, Shuu'ichirou Yamamoto, and Satoshi Sugahara, "0.5V operation and performance of nonvolatile SRAM cell based on pseudo-spin-FinFET architecture", 2014 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD 2014), Yokohama, Japan, September 9-11, 2014, paper 11-4, pp.305-308.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Design and performance of nonvolatile SRAM cells based on pseudo-spin-FinFET architecture”, 2014 IEEE Silicon Nanotechnology Workshop (SNW2014), Honolulu, HI, USA, June 8-9, 2014, paper P2-13.
- R. Nakane, Y. Shuto, H. Sukegawa, Z. Wen , S. Yamamoto , S. Mitani , M. Tanaka, K. Inomata, and S. Sugahara, “Fabrication and characterization of pseudo-spin-MOSFETs using a multi-project CMOS wafer”, 58th Annual Conference on Magnetism and Magnetic Materials (MMM2013), Denver, CO, USA, November 4-8, 2013, paper GT-06.
- Y. Takamura, A. Sadano, T. Akushichi, T. Okishio, Y. Shuto, and S. Sugahara, “Analysis of Hanle-effect signals observed in Si-channel spin accumulation devices”, 58th Annual Conference on Magnetism and Magnetic Materials (MMM2013), Denver, CO, USA, November 4-8, 2013, paper AX-05.
- R. Nakane Y. Shuto, H. Sukegawa, Z.C. Wen, S. Yamamoto, S. Mitani, M. Tanaka, K. Inomata, and S. Sugahara, “Spin-transistor characteristics of pseudo-spin-MOSFETs monolithically-integrated by utilizing a multi-project-wafer CMOS chip”, 2013 International Conference on Solid State Device and Materials (SSDM2013), Fukuoka, Japan, September 24-27, paper M-6-2, pp. 1084-1085.
- Yusuke Shuto, Shuu'ichirou Yamamoto, and Satoshi Sugahara, "FinFET-based pseudo-spin-transistor: Design and performance", 2013 IEEE International Semiconductor Conference Dresden-Grenoble (ISCDG), Dresden, Germany, September 26-27, 2013.
- R. Nakane Y. Shuto, H. Sukegawa, Z.C. Wen, S. Yamamoto, S. Mitani, M. Tanaka, K. Inomata, and S. Sugahara, “Monolithic Integration of Pseudo-Spin-MOSFETs Using a Custom CMOS Chip Fabricated Through Multi-Project Wafer Service”, 43rd European Solid-State Device Research Conference (ESSDERC2013), Bucharest, Romania, September 16-20, 2013, paper 1272, pp. 272-275.
- T. Okishio, T. Akushichi, Y. Shuto, and S. Sugahara, “Spin injection into intrinsic Si using CoFe/Mg/AlOx/Si barrier-height-controlled junction”, the 12th Joint MMM-Intermag Conference, Chicago, IL, USA, January 14-18, 2013, paper AR-04.
- Y. Kawame, M. Sato, Y. Shuto, and S. Sugahara, “Work-function control of half-metallic full-Heusler Co2FeSi1-xAlx thin films for Si-based spin-transistor applications”, the 12th Joint MMM-Intermag Conference, Chicago, IL, USA, January 14-18, 2013, paper EI-06.
- Y. Shuto, S. Yamamoto, H. Sukegawa, Z.C. Wen, R. Nakane, S. Mitani, M. Tanaka, K. Inomata, and S. Sugahra, “Design and performance of pseudo-spin-MOSFETs using nano-CMOS devices”, 2012 IEEE International Electron Devices Meeting (IEDM2012), Decsember 10-12, 2012, San Francisco, CA, USA, paper 29.6.
- S. Yamamoto, Y. Shuto, and S. Sugahara, "Nonvolatile flip-flop using pseudo-spin-transistor architecture and its power-gating applications", 2012 IEEE Intl. Semiconductor Conference Dresden-Grenoble (ISCDG), September 24-26 2012, Grenoble, France, pp. 17-20.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Analysis of static noise margin and power-gating efficiency of a new nonvolatile SRAM cell using pseudo-spin-MOSFETs”, 2012 IEEE Silicon Nanotechnology Workshop (SNW2012), June 10-11, 2012, Honolulu, HI, USA, paper 4-3.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Static noise margin and power-gating efficiency of a new nonvolatile SRAM cell based on pseudo-spin-transistor architecture”, 4th IEEE Int. Memory Technology Workshop (IMW2012), May 20-23, 2012, Milano, Italy, paper 16.
- S. Yamamoto, Y. Shuto, and S. Sugahara, “Nonvolatile Power-Gating FPGA Based on Spin-Transistor Architecture with Spin-Transfer-Torque MTJs”, 2012 MRS spring meeting, San Francisco, CA, USA, April 9-13, 2012, paper E4-11.
- Y. Takamura, and S. Sugahara, “Analysis of the Hanle effect in Si MOS inversion channels at 300K”, 56th Annual Conf. on Magnetism and Magnetic Materials (MMM), Scottsdale, USA, October 30-November 3, 2011, paper HB-12, pp. 548-529.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Nonvolatile SRAM based on spin-transistor architecture for nonvolatile power-gating systems”, International Symposium on Advanced Hybrid Nano Devices (IS-AHND): Prospects by World’s Leading Scientists, October 4-5, 2011, Tokyo Institute of Technology, Japan, paper P-43.
- S. Yamamoto, Y. Shuto, and S. Sugahara, “Nonvolatile power-gating FPGAs based on spin-transistor architecture”, International Symposium on Advanced Hybrid Nano Devices (IS-AHND): Prospects by World’s Leading Scientists, October 4-5, 2011, Tokyo Institute of Technology, Japan, paper P-44.
- Y. Takamura, and S. Sugahara, “Analysis and design of Hanle-effect spin-transistor”, International Symposium on Advanced Hybrid Nano Devices (IS-AHND) : Prospects by World’s Leading Scientists, Tokyo, Japan, October 4-5, 2011, paper P-39, pp. 125-126.
- Y. Takamura, K. Hayashi, Y. Shuto, and S. Sugahara, “Formation and structural analysis of half-metallic Co2FeSi/SiOxNy/Si contacts with radical-oxynitridation-SiOxNy tunnel barrier,” International Symposium on Advanced Hybrid Nano Devices (IS-AHND) : Prospects by World’s Leading Scientists, Tokyo, Japan, October 4-5, 2011, paper P-40, pp. 127-128.
- M. Satoh, Y. Takamura, and S. Sugahara, “Preparation and characterization of L21-ordered full-Heusler Co2FeSi1-xAlx alloy thin films formed by rapid thermal annealing”, International Symposium on Advanced Hybrid Nano Devices (IS-AHND) : Prospects by World’s Leading Scientists, Tokyo, Japan, October 4-5, 2011, paper P-41, pp. 129-130.
- T. Okishio, Y. Takamura, and S. Sugahara, “Low-barrier ferromagnet source/drain MOSFETs using CoFe/Mg/AlOx/Si depinning contacts,” International Symposium on Advanced Hybrid Nano Devices (IS-AHND) : Prospects by World’s Leading Scientists, Tokyo, Japan, October 4-5, 2011, paper P-42, pp. 131-132.
- T. Okishio, Y. Takamura, and S. Sugahara, “Fabrication of spin-MOSFETs using CoFe/Mg/AlOx/Si tunnel junctions for the source and drain”, International Conf. on Solid State Devices and Materials (SSDM), Nagoya, Japan, September 28-30, 2011, paper J-4-4, p. 31.
- M. Satoh, Y. Takamura, and S. Sugahara, “Characterization of L21-ordered full-Heusler Co2FeSi1-xAlx alloy thin films formed by silicidation technique employing a silicon-on-insulator substrate”, Electronic Materials Conf. (EMC) 2011, Santa Barbara, USA, June 22-24, 2011, paper DD-10, p. 96.
- Y. Takamura, K. Hayashi, Y. Shuto, and S. Sugahara, “Formation of half-metallic tunnel junctions of Co2FeSi/SiOxNy/Si using radical oxynitridation technique”, Electronic Materials Conf. (EMC) 2011, Santa Barbara, USA, June 22-24, 2011, paper DD-9, p. 96
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Evaluation and control of break-even time for nonvolatile SRAM using pseudo-spin-MOSFETs with spin-transfer-torque MTJs”, IEEE International Magnetics Conference 2011 (INTERMAG), April 25-29, 2011, Taipei, Taiwan, paper FR-02.
- S. Yamamoto, Y. Shuto, and S. Sugahara, “Application of NV-DFF and NV-SRAM using spin-transistor Architecture with spin transfer torque MTJs to nonvolatile power-gating FPGA”, IEEE International Magnetics Conference 2011 (INTERMAG), Taipei, Taiwan, April 25 - 29, 2011, paper FR-03.
- S. Yamamoto, Y. Shuto, and S. Sugahara, “Power-gating ability and power aware design of nonvolatile delay flip-flop using spin-transistor architecture with spin transfer torque MTJs”, IEEE International Magnetics Conference 2011 (INTERMAG), Taipei, Taiwan, April 25 - 29, 2011, paper FR-04.
- Y. Shuto, Y. Takamura, and S. Sugahara, “Numerical simulation analysis of nonlocal multi-terminal devices for spin current detection in semiconductors”, 55th Annual Conference on Magnetism and Magnetic Materials (MMM2010), Atlanta, GA, USA, November 14-18, 2010, paper DD-04.
- Y. Takamura, T. Sakurai, R. Nakane, Y. Shuto, and S. Sugahara, “Comparative study of full-Heusler Co2FeSi and Co2FeGe alloy thin films formed by rapid thermal annealing”, 55th Annual Conference on Magnetism and Magnetic Materials (MMM2010), Atlanta, USA, November 14-18, 2010, paper CV-02.
- Y. Shuto, R. Nakane, W. H. Wang, H. Sukegawa, S. Yamamoto, M. Tanaka, K. Inomata, and S. Sugahara, “A new spin-functional MOSFET based on MTJ technology: Pseudo-spin-MOSFET”, The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI), Tokyo, Japan, August 1-4, 2010, paper P2-71.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Operating analysis of nonvolatile SRAM using pseudo-spin-MOSFETs”, The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI), Tokyo, Japan, August 1-4, 2010, paper P2-72.
- T. Sakurai, Y. Takamura, R. Nakane, Y. Shuto, and S. Sugahara, “Epitaxial germanidation of full-Heusler Co2FeGe alloy thin films by rapid thermal annealing”, The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI), Tokyo, Japan, August 1-4, 2010, paper P2-22.
- Y. Takamura, R. Nakane, and S. Sugahara, “Disordered structures in full-Heusler Co2FeSi alloy thin films formed by rapid thermal annealing”, The 6th International Conference on the Physics and Applications of Spin Related Phenomena in Semiconductors (PASPS-VI), Tokyo, Japan, August 1-4, 2010, paper P2-21.
- K. Hayashi, Y. Takamura, R. Nakane, and S. Sugahara, “Formation of Co2FeSi/SiN/Si tunnel junctions for Si-based spin transistors”, 11th Joint MMM-Intermag Conference, Washington, D. C., USA, January 18-22, 2010, paper HH-02.
- Y. Takamura, and S. Sugahara, “X-ray diffraction study for atomic disorder in full-Heulser alloy thin films using Co x-ray source”, 11th MMM-Intermag Conference, Washington, D. C., USA, January 18-22, 2010, paper HH-09.
- Shuu’ichirou Yamamoto, and Satoshi Sugahara, “Nonvolatile delay flip-flop using pseudo-spin-MOSFETs and its power-gating applications”, the 11th Joint MMM-Intermag Conference, Washington, D. C., USA, January 18-22, 2010, paper DT-03.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Operating analysis of nonvolatile SRAM using pseudo-spin-MOSFETs”, 11th Joint MMM-Intermag Conference, Washington, D. C., USA, January 18-22, 2010, paper DT-02.
- Shuu’ichirou Yamamoto, and Satoshi Sugahara, “Variability-Tolerant CMOS Gates Using Functional MOSFETs with Resistive Switching Devices”, Extended Abstracts of the 2009 International Conference on Solid State Devices and Materials, Sendai, Japan, 2009, pp. 810-811.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Analysis and design of nonvolatile SRAM using spintronics technology”, Non-volatile Memory Technology Symposium 2009 (NVMTS09), Portland, OR, USA, October 25-28, 2009, paper P7.
- Y. Takamura, and S. Sugahara, “Half-metallic ferromagnet technologies for spin-functional MOSFETs”, Intl. Conf. “Silicon Nano Devices in 2030: Prospects by world’s leading scientists”, Tokyo, Japan, October 13-14, 2009, paper P-48.
- Y. Shuto, R. Nakane, H. Sukegawa, S. Yamamoto, M. Tanaka, K. Inomata, and S. Sugahara, “Fabrication and characterization of pseudo-spin-MOSFETs”, Intl. Conf. “Silicon Nano Devices in 2030: Prospects by world’s leading scientists”, Tokyo, Japan, Octorber 13-14, 2009, paper P-49, pp.148-149.
- Shuu’ichirou Yamamoto, Yusuke Shuto, and Satoshi Sugahara, “Nonvolatile power-gating microprocessor concepts using nonvolatile SRAM and flip-flop”, Intl. Conf. “Silicon Nano Devices in 2030: Prospects by world’s leading scientists”, Tokyo, Japan, Octorber 13-14, 2009, paper P-50.
- Shuu’ichirou Yamamoto, Yusuke Shuto, and Satoshi Sugahara, “Nonvolatile SRAM (NV-SRAM) Using Functional MOSFET Merged with Resistive Switching Devices”, Proceedings of IEEE 2009 Custom Integrated Circuits Conference (CICC), San Jose, CA, USA, September 13-16, 2009, pp. 531-534.
- K. Hayashi, Y. Takamura, R. Nakane, and S. Sugahara, “Preparation and characterization of full-Heusler Co2FeSi alloy thin films on amorphous insulator films”, IEEE International Magnetics Conference (INTERMAG 09), Sacramento, CA, USA, May 4-8, 2009, paper ES-08.
- Shuu’ichirou Yamamoto, and Satoshi Sugahara, “Nonvolatile delay flip-flop using magnetic tunnel junctions with current-induced magnetization switching architecture”, IEEE International Magnetics Conference (INTERMAG 09), Sacramento, CA, USA, May 4-8, 2009, paper ET-01.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Analysis and Design of Nonvolatile SRAM Using MOSFET-Based Spin-Transistors”, IEEE International Magnetics Conference (INTERMAG 09), Sacramento, CA, USA, May 4-8, 2009, paper CT-02, p. 195.
- Y. Takamura, R. Nakane, and S. Sugahara, “Analysis of L21-ordering in full-Heusler Co2FeSi alloy thin films formed by rapid thermal annealing”, 53rd Annual Conference on Magnetism and Magnetic Materials (MMM2008), Austin, TX, USA, November 10-14, 2008, paper DD-03, p. 230-231.
- Y. Shuto, S. Yamamoto, and S. Sugahara, “Novel nonvolatile SRAM architecture using MOSFET-based spin-transistors”, 53rd Annual Conference on Magnetism and Magnetic Materials (MMM2008), Austin, TX, USA, November 10-14, 2008, paper CT-02, p. 195.
- S. Yamamoto, and S. Sugahara, “Analysis and design of nonvolatile SRAM using magnetic tunnel junctions with current-induced magnetization switching technology”, 53rd Annual Conference on Magnetism and Magnetic Materials (MMM2008), Austin, TX, USA, November 10-14, 2008, paper CT-04, p. 196.
- Y. Takamura, Y. Nagahama, A. Nishijima, R. Nakane, and S. Sugahara, “Formation of Si- and Ge-based Full-Heusler Alloy Thin Films Using SOI and GOI Substrates for the Half-Metallic Source and Drain of Spin Transistors”, Pacific Rim Meeting on Electrochemical and Solid-State Science (PRiME2008), Honolulu, HI, USA, October 12-17, 2008, session E15-E23, paper 2480.
- Y. Shuto, M. Tanaka, and S. Sugahara, “Germanium-based ferromagnetic semiconductor Ge1-xFex for silicon spintronics", Pacific Rim Meeting on Electrochemical and Solid-state Science (PRiME2008), Honolulu, HI, USA, October 12-17, 2008, session E15-E23, peper 2481.
- Y. Takamura, A. Nishijima, Y. Nagahama, R. Nakane, and S. Sugahara, “Fabrication Technique of Si- and Ge-based Full-Heusler Alloys for Half-metallic Source/Drain Spin MOSFETs”, The Fourth International Nanotechnology Conference on Communication and Cooperation (INC4), Tokyo, Japan, April 14-17, 2008, paper P-19.
- Y. Shuto, M. Tanaka, and S. Sugahara, “Epitaxial growth and characterization of Germanium-based ferromagnetic semiconductor thin films for silicon spintronics”, The Forth International Nanotechnology Conference on Communication and Cooperation (INC4), Tokyo, Japan, April 14-17, 2008, paper P-18.
- S. Dissanayake, S. Tanabe, S. Sugahara, M. Takenaka, and S. Takagi, “Effect of Annealing on (100) and (110) Oriented pseudo-GOI pMOSFETs Fabricated by Ge Condensation Method”, The 5th International Symposium on Control of Semiconductor Interfaces -for Next Generation ULSI Process Integrations- (ISCSI-V), Tokyo, Japan, November 12-14, 2007, paper OB3-3, pp. 233-234.
- S. Takagi, H. Matsubara, M. Nishikawa, T. Sasada, R. Nakane, S. Sugahara, and M. Takenaka, “Superior MOS Interface Properties of GeO2/Ge Structures Fabricated by Ozone Oxidation”, The 5th International Symposium on Control of Semiconductor Interfaces -for Next Generation ULSI Process Integrations- (ISCSI-V), Tokyo, Japan, November 12-14, 2007, paper OA2-1, pp. 65-66.
- Y. Takamura, R. Nakane, H. Munekata, and S. Sugahara, “Preparation of full Heusler alloys on silicon on insulator substrates employing rapid thermal annealing”, 52nd Annual Conference on Magnetism and Magnetic Materials (MMM2007), Tampa, FL, USA, November 5-9, 2007, paper BQ-05, p. 116.
- Y. Shuto, M. Tanaka, and S. Sugahara, “Crystallographic and magnetic properties of epitaxially grown Ge1-xFex thin films on Si(001) substrates”, 52nd Annual Conference on Magnetism and Magnetic Materials (MMM2007), Tampa, FL, USA, November 5-9, 2007, paper CG-12, p. 168.
- S. Yamamoto, and S. Sugahara, “Nonvolatile SRAM and flip-flop architectures using magnetic tunnel junctions with current-induced magnetization switching technology”, 52nd Annual Conference on Magnetism and Magnetic Materials (MMM2007), Tampa, FL, USA, November 5-9, 2007, paper HP-02, p. 481.
- S. Takagi, T. Uehara, S. Tanabe, H. Matsubara, R. Nakane, M. Takenaka, and S. Sugahara, “Effects of Atomic Hydrogen Annealing on Reduction of Leakage Current in Ultrathin Si/Ge/Si-On-Insulator Metal Source/Drain p-Channel MOSFETs”, 34th International Symposium on Compound Semiconductors (ISCS2007), Kyoto, Japan, October 15-18, 2007, p. 132.
- Y. Shuto, M. Tanaka, and S. Sugahara, “Magneto-Optical and Magneto-Transport Properties of Ferromagnetic Ge1-xFex Thin Films Grown on Si (001) Substrates”, 4th International School and Conference on Spintronics and Quantum Information Technology (Spintech IV), Maui, HI, USA, June 17-22, 2007, paper P-33, pp. 101-102.
- S. Yada, M. Tanaka, and S. Sugahara, “Structural and Magnetic Properties of Self-Organized Ge1-xMnx Nanocolumns in Epitaxially Grown Mn-Doped Ge Thin Films”, 4th International School and Conference on Spintronics and Quantum Information Technology (Spintech IV), Maui, HI, USA, June 17-22, 2007, paper P-44, pp. 114-115.
- S. Takagi, T. Maeda, N. Taoka, M. Nishizawa, Y. Morita, K. Ikeda, Y. Yamashita, M. Nishikawa, H. Kumagai, R. Nakane, S. Sugahara, and N. Sugiyama, “Gate Dielectric Formation and MIS Interface Characterization on Ge”, The 15th Biennial Conference on Insulatring Films on Semiconductors (INFOS2007), Athene, Greece, June 20-23, 2007, pp. 2314-2319.
- S. Dissanayake, H. Kumagai, T. Uehara, Y. Shuto, S. Sugahara, and S.Takagi, “(110) Ultra-thin GOI p-MOSFETs Fabricated by Ge Condensation Method”, The 5th International Conference on SiGe(C) Epitaxy and Heterostructures (ICSI-5), Marseille, France, May 20-24, 2007, paper S6-O17, pp. 57-58.
- S. Sugahara,“Perspective on Spin-Transistor Electronics”, The 2007 International Meeting for Future of Electron Devices Kansai, Osaka, Japan, April 23-24, 2007, paper K-3.
- S. Sugahara,“Perspective on Si-Based Spin-Transistor Electronics”, 3rd Intlernational Nanotechnology Conference on Communication and Cooperation (INC3), Brussels, Belgium, April 16-19, 2007.
- S. Yada, M. Tanaka, and S. Sugahara, “Kinetically-Controlled Epitaxial Growth of Ferromagnetic Ge1-xMnx Thin Films”, 10th Joint MMM-Intermag Conference, Baltimore, MD, USA, January 7-11, 2007, paper AU-10, p. 72.
- Y. Shuto, M. Tanaka, and S. Sugahara, “Epitaxial Growth and Properties of Ferromagnetic Ge1-xFex Thin Films on Si (001)”, 10th Joint MMM-Intermag Conference, Baltimore, MD, USA, January 7-11, 2007, paper FT-14, p. 406.
- S. Takagi, and S. Sugahara, “Comparative Study on Influence of Subband Structures on Electrical Characteristics of III-V Semiconductor, Ge and Si Channel n-MISFETs”, 2006 International Conference on Solid State Devices and Materials (SSDM 2006), Yokohama, Japan, September 12-15, 2006, paper H-9-1, pp. 1056-1057.
- M. Shichijo, R. Nakane, S. Sugahara, and S. Takagi, “Fabrication of III-V-O-I(III-V on Insulator) Structures on Si Using Micro-Channel Epitaxy with a Two-Step Growth Technique”, 2006 International Conference on Solid State Devices and Materials (SSDM 2006), Yokohama, Japan, September 12-15, 2006, paper I-8-1, pp. 1088-1089.
- T. Uehara, H. Matsubara, S. Sugahara, and S.Takagi, “Ultra-Thin Ge-on-Insulator(GOI) Metal S/D p-Channel MOSFETs Fabricated by Low Temperature MBE Growth”, 2006 International Conference on Solid State Devices and Materials (SSDM 2006), Yokohama, Japan, September 12-15, 2006, paper H-8-2, pp. 1050-1051.
- T. Hoshii, S. Sugahara, and S. Takagi, “Effect of Tensile Strain on Gate and Substrate Currents of Strained-Si n-MOSFETs”, 2006 International Conference on Solid State Devices and Materials (SSDM 2006), Yokohama, Japan, September 12-15, 2006, paper H-1-3, pp. 164-165.
- H. Kumagai, M. Shichijo, H. Ishikawa, T. Hoshii, S. Sugahara, Y. Uchida, and S. Takagi, “Fabrication of SiO2/Ge MIS Structures by Plasma Oxidation of Ultrathin Si Films Grown on Ge”, 2006 International Conference on Solid State Devices and Materials (SSDM 2006), Yokohama, Japan, September 12-15, 2006, paper J-6-23, pp. 398-399
- Y. Shuto, M. Tanaka, and S. Sugahara, “Ferromagnetism in Epitaxially Grown Fe-Doped Ge Thin Films on Ge(001) Substrates”, 17th International Conference on Magnetism (ICM-2006), Kyoto, Japan, August 20-25, 2006, paper FrA2-D-3, p. 119.
- S. Sugahara, “Spin MOSFETs As a Basis for Silicon-Based Spin-Electronics”, 4th International Conference on Physics and Application of Spin-Related Phenomena in Semiconductors (PASPS-IV), Sendai, Japan, August 15-18, 2006, paper R-4, p. 153.
- S. Yada, M. Tanaka, and S. Sugahara, “Ferromagnetism in Mn-Doped Amorphous Ge Thin Films”, 4th International Conference on Physics and Application of Spin-Related Phenomena in Semiconductors (PASPS-IV), Sendai, Japan, August 15-18, 2006, paper PB-36, p. 119.
- Y. Shuto, M. Tanaka, and S. Sugahara, “Structural and Magnetic Properties of Ferromagnetic Semiconductor Ge1-xFex Thin Films Grown by LT-MBE”, 4th International Conference on Physics and Application of Spin-Related Phenomena in Semiconductors (PASPS-IV), Sendai, Japan, August 15-18, 2006 paper C-3, p. 82.
- R. Nakane, M. Tanaka, and S. Sugahara, “Preparation of Ferromagnetic Silicide Fe1-xSix Using Silicon-on-Insulator Substrates for Si-Based Spin-Electronic Devices”, 50th Annual Conference on Magnetism and Magnetic Materials (MMM2005), San Jose, CA, USA, October 30 - November 3, 2005, paper DS-01, p. 198
- Y. Shuto, M. Tanaka, and S. Sugahara, “Epitaxial Growth and Magnetic Properties of a New Group IV Ferromagnetic Semiconductor Ge1-xFex”, 50th Annual Conference on Magnetism and Magnetic Materials (MMM2005), San Jose, CA, USA, October 30 - November 3, 2005, paper BG-04, p. 64.
- S. Sugahara, “MOSFET Type of Spin Transistor As a Beyond-CMOS Device Using Spin Degrees of Freedom”, 2005 International Conference on Solid State Devices and Materials (SSDM2005), Kobe, Japan, September 13-15, 2005, Rump session: Beyond the Scaling Limit-Innovative Devices and Materials-.
- S. Takagi, K. Takeda, S. Sugahara, and T. Numata, “Examination of the Universality of Hole Mobility in Strained-Si p-MOSFETs”, 2005 International Conference on Solid State Devices and Materials (SSDM2005), Kobe, Japan, September 13-15, 2005, paper B-2-1, pp. 38-39.
- S. Sugahara, “Spin MOSFETs for Integrated Spin-Electronics”, 6th International Workshop on Future Information Processing Technologies (IWFIPT), Asheville, NC, USA, August 29 - September 1, 2005, Panel Session III: Beyond-CMOS Electronic Devices.
- S. Yada, K. L. Lee, M. Tanaka, and S. Sugahara, “Ferromagnetism in Epitaxially Grown Ge1-xMnx Thin Films on Ge(001) substrates”, The 3rd International School and Conference on Spintronics and Quantum Information Technology (Spintech III), Awaji Island, Japan, August 1-5, 2005, paper P-31, p. 91.
- R. Nakane, J. Kondo, S. Sugahara, and M. Tanaka, “Current-Induced Magnetization Switching in Epitaxial MnAs/NiAs/MnAs Heterostructures on GaAs Substrates”, The 3rd International School and Conference on Spintronics and Quantum Information Technology (Spintech III), Awaji Island, Japan, August 1-5, 2005, paper P-53, p. 113.
- S. Sugahara, “Spin MOSFETs As a Basis for Integrated Spin Electronics”, 5th IEEE conference on Nanotechnology (IEEE-NANO 2005), Nagoya, Japan, July 11-15, 2005, paper TU-P5-1, p. 24.
- R. Nakane, M. Tanaka, and S. Sugahara, “Formation and Characterization of Ferromagnetic Silicide Fe1-xSix for Si-Based Spintronic Devices”, 47th Annual TMS Electronic Materials Conference (EMC), Santa Barbara, CA, USA, June 22-24, 2005, paper J10, Late News.
- S. Sugahara, and M. Tanaka, “Spin MOSFETs using ferromagnetic Schottky barrier contacts for the source and drain”, 63rd Device Research Conference (DRC), Santa Barbara, CA, USA, June 20-22, 2005, paper V.C-2, pp. 211-212.
- S. Sugahara, and M. Tanaka, “A Spin Metal-Oxide-Semiconductor Field-Effect-Transistor (Spin MOSFET) Using a Ferromagnetic Semiconductor for the Channel Region”, 49th Annual Conference on Magnetism and Magnetic Materials (MMM2004), Jacksonville, FL, USA, November 7-11, 2004, paper CR-04, p. 147.
- S. Sugahara, and M. Tanaka, “Theoretical Analysis of a Spin Metal-Oxide-Semiconductor Field-Effect-Transistor (Spin MOSFET) Using Ferromagnetic Schottky Contacts for the Source and Drain”, 2004 International Conference on Molecular Beam Epitaxy (MBE2004), Edinburgh, Scotland, August 22-27, 2004, paper THP33, p. 451.
- S. Sugahara, K. L. Lee, and M. Tanaka, “Low-Temperature Molecular Beam Epitaxy of Heavily Mn-Doped Si Thin Films on Si(001) Substrates”, 2004 International Conference on Molecular Beam Epitaxy (MBE2004), Edinburgh, Scotland, August 22-27, 2004, paper THP34, p. 453.
- K. L. Lee, M. Tanaka, and S. Sugahara, “Low-Temperature Molecular-Beam-Epitaxy of Ferromagnetic Mn-Doped Ge Thin Films on Si(001) Substrates”, 2004 International Conference on Molecular Beam Epitaxy (MBE2004)”, Edinburgh, Scotland, August 22-27, 2004, paper FB1.4, p. 481.
- R. Nakane, J. Kondo, M. W. Yuan, S. Sugahara, and M. Tanaka, “Growth and Magnetic Properties of epitaxial metallic MnAs/NiAs/MnAs Heterostructures Grown on Exact GaAs(111)B Substrates”, 2004 International Conference on Molecular Beam Epitaxy (MBE2004), Edinburgh, Scotland, August 22-27, 2004, paper THA1.2, p. 315.
- S. Sugahara, K. L. Lee, and M. Tanaka, “Low-Temperature Molecular Beam Epitaxy of Mn-doped Si thin films”, The 3rd International Conference on Physics and Applications of Spin-Related Phenomena in Semiconductors (PASPS III), Santa Barbara, CA, USA, July 21-23, 2004, paper 042, p. 89.
- S. Sugahara, and M. Tanaka, “A Ballistic Spin MOSFET Using Ferromagnetic Schottky Contacts for the Source and Drain”, The 3rd International Conference on Physics and Applications of Spin-Related Phenomena in Semiconductors (PASPS III), Santa Barbara, CA, USA, July 21-23, 2004, paper 132, p. 140.
- K. L. Lee, M. Tanaka, and S. Sugahara, “Epitaxial Growth and Magnetic Properties of Mn-Doped Ge Thin Films on Si(001) Substrates”, The 3rd International Conference on Physics and Applications of Spin-Related Phenomena in Semiconductors (PASPS III), Santa Barbara, CA, USA, July 21-23, 2004, paper 055, p. 96.
- R. Nakane, S. Sugahara, and M. Tanaka, “Epitaxial Growth and Magnetic Properties of MnAs/III-V(GaAs, AlAs)/MnAs Heterostructures on Exact GaAs(111)B Substrates”, The 3rd International Conference on Physics and Applications of Spin-Related Phenomena in Semiconductors (PASPS III), Santa Barbara, CA, USA, July 21-23, 2004, paper 153, p. 153.
- S. Sugahara, K. L. Lee, T. Matsuno, and M. Tanaka, “Epitaxial Growth and Magnetic Properties of Si1-xMnx Thin Films”, 2004 MRS Spring Meeting, San Francisco, CA, USA, April 12-16, 2004, paper G2.5, p. 146.
- S. Sugahara, T. Matsuno, and M. Tanaka, “Nonvolatile Memory and Reconfigurable Logic Applications of Spin MOSFETs”, 2004 MRS Spring Meeting, San Francisco, CA, USA, April 12-16, 2004, paper G4.7, p. 150.
- S. Sugahara, K. L. Lee, and M. Tanaka, “Spin MOSFETs for Spintronic Integrated Circuits”, 2004 MRS Spring Meeting, San Francisco, CA, USA, April 12-16, 2004, paper G5.8, p. 153.
- S. Sugahara, and M. Tanaka, “A Spin MOSFET Using Half-Metallic Source and Drain”, 9th Joint MMM-Intermag Conference, Anaheim, CA, USA, January 5-9, 2004, paper GB-11, p. 357.
- R. Nakane, S. Sugahara, and M.Tanaka, “The Effect of Post-Growth Annealing on the Morphology and Magnetic Properties of MnAs Thin Films Grown on GaAs(001) Substrates”, 9th Joint MMM-Intermag Conference, Anaheim, CA, USA, January 5-9, 2004, paper AE-08, p. 28.
- S. Sugahara, and M. Tanaka, “A Spin MOSFET Using Half-Metallic-Ferromagnet Contacts for the Source and Drain”, International Workshop on Nano-Scale Magnetoelectronics, Nagoya, Japan, November 25-27, 2003, paper P1, p. 47.
- T. Matsuno, S. Sugahara, and M. Tanaka, “Design and Analysis of Reconfigurable Logic Gates Using the Spin MOSFET”, International Workshop on Nano-Scale Magnetoelectronics, Nagoya, Japan, November 25-27, 2003, paper P2, p. 48.
- S. Sugahara, R. Nakane, K. L. Lee, and M. Tanaka, “Magnetic Coupling and Tunneling Magnetoresistance of Fully Epitaxial MnAs/AlAs/MnAs Ferromagnetic Tunnel Junctions”, International Conference and School Semiconductor spintronics and Quantum Information Technology (Spintech II), Brugge, Belgium, August 4-6, 2003, paper 053, p. 62.
- S. Sugahara, and M. Tanaka, “A Ferromagnetic Schottky Source/Drain MOSFET”, International Conference and School Semiconductor spintronics and Quantum Information Technology (Spintech II), Brugge, Belgium, August 4-6, 2003, paper 089, p.76.
- T. Matsuno, S. Sugahara, and M. Tanaka, “Reconfigurable Logic Gates Based on Spin MOSFET”, International Conference and School Semiconductor spintronics and Quantum Information Technology (Spintech II), Brugge, Belgium, August 4-6, 2003, paper 086, p. 74.
- R. Nakane, S. Sugahara, and M. Tanaka, “Magnetic Properties of Fully Epitaxial Metallic MnAs/NiAs/MnAs Trilayers Grown on GaAs(001) Substrates”, International Conference and School Semiconductor spintronics and Quantum Information Technology (Spintech II), Brugge, Belgium, August 4-6, 2003, paper 042, p. 58.
- S. Sugahara, and M. Tanaka, “Proposal of a Novel Spin Transistor Based on Spin-Filtering in a Ferromagnetic Barrier Layer: A Spin-Filter Transistor”, The 11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan, July 14-18, 2003, paper PC49, p. 458-459.
- R. Nakane, S. Sugahara, and M.Tanaka, “Epitaxial Growth and Magnetic Properties of MnAs/NiAs/MnAs Spin-Valve Trilayers on GaAs(001) Substrates”, The 11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan, July 14-18, 2003, paper PB77, pp. 319-320.
- S. Sugahara, and M. Tanaka, “Fully Epitaxial MnAs/AlAs/MnAs Ferromagnetic Tunnel Junctions Grown on GaAs(111)B Substrates: The Influence of Crystallinity on Tunneling Magnetoresistance”, 47th Conference on Magnetism and Magnetic Materials (MMM2002), Tampa, FL, USA, November 11-15, 2002, paper AA-09, p. 11.
- S. Sugahara, and M. Tanaka, “Epitaxial Growth and Magnetic Properties of Single-Crystal MnAs/AlAs/ MnAs Magnetic Tunnel Junctions on Exact (111)B GaAs Substrates: The Effect of an Ultrathin GaAs Buffer Layer”, 2002 International Conference on Molecular Beam Epitaxy (MBE XII), San Francisco, CA, USA, September 15-20, 2002, paper TuB3.3, p. 119.
- S. Sugahara, and M. Tanaka, “Fully Epitaxial MnAs/AlAs/MnAs Ferromagnetic Tunnel Junctions Grown on Vicinal GaAs(111)B Substrates”, 46th Conference on Magnetism and Magnetic Materials (MMM2001), Seattle, WA, USA, November 12-16, 2001, paper DB-12, p. 141.
- S. Sugahara, and M. Tanaka, “Growth Characteristics and Magnetic Properties of MnAs/AlAs/MnAs trilayer heterostructures grown on vicinal GaAs(111)B substrates”, 10th International Conference on Modulated Semiconductor Structures (MSS10), Linz, Austria, July 23-27, 2001, paper ThP30, p. 195.
- S. Sugahara, F. Yamagishi, and M. Tanaka, “Ferromagnet (MnAs)/Semiconductor (GaAs, AlAs)/Ferromagnet (MnAs) trilayer heterostructures on (111)B GaAs vicinal substrates: Epitaxial Growth and Magnetic Properties”, The 13th International Conference on Crystal Growth in Conjunction with the 11th International Conference on Vapor Growth and Epitaxy (ICCG-13/ICVGE-11), Kyoto, Japan, July 30 - August 4, 2001, paper 31a-S11-05, p. 18.
- S. Sugahara, and M. Tanaka, “Atomic-Scale Surface Morphology of Epitaxial Ferromagnetic MnAs Films Grown on Vicinal GaAs(111)B Substrates”, The 8th Joint MMM-Intermag Conference, San Antonio, TX, USA, January 7-11, 2001, paper AE-05, p. 30.
- M. Matsumura, K. Ikeda, J. Yanase, and S.Sugahara, “Atomic-Layer-Epitaxy of Silicon”, The 10th Seoul International Symposium on the Physics of Semiconductors and Applications, Cheju, Korea, November 1-3, 2000, paper B8, p. 67.
- T. Fukumura, S. Sugahara, and M. Matsumura, “Deposition and Characterization of Perfluoro-Methyl Silica Films”, The 197th Meeting of the Electrochemical Society, Toronto, Canada, May 14-18, 2000, paper 219.
- S. Sugahara, T. Kadoya, K. Usami, T. Hattori, and M. Matsumura, “Preparation and Characterization of Low-k Silica Film Incorporated with Methylene Groups”, The 6th International Dielectrics for ULSI Multilevel Interconnection Conference (DUMIC2000), Santa Clara, CA, USA, 2000, p. 27.
- S. Sugahara, T. Fukumura, and M. Matsumura, “Chemical Vapor Deposition of CF3-Incorporated Silica Films for Interlayer Dielectric Application”, The 196th Meeting of the Electrochemical Society, Honolulu, HI, USA, October 17-22, 1999, paper 746.
- S. Sugahara, and M. Matsumura, “Oxidation Mechanism of Fluorocarbon-Incorporated Silica for Interlayer Dielectric Materials”, E-MRS 1999 Spring Meeting, Strasbourg, France, June 1-4, 1999, paper L-III.2, p. L-4.
- S. Sugahara, M. Matsuyama, K. Hosaka, K. Ikeda, Y. Uchida, and M.Matsumura, “A novel hetero-epitaxy technique for germanium on silicon (100) surface based on atomic-layer-epitaxy”, MRS 1998 Spring Meeting, San Francisco, CA, USA, April 13-17, 1998, paper FF9.4, p. 489.
- S. Sugahara, K. Hosaka, and M. Matsumura, “Hydrogen-Induced Abstraction Mechanism of Surface Methyl Groups in Atomic-Layer-Epitaxy of Germanium”, The 4th International Symposium on Atomically Controlled Surfaces and Interfaces (ACSI-4), Tokyo, Japan, October 27-30, 1997, paper PC13, pp. 248-249.
- K. Ikeda, S. Sugahara, Y. Uchida, T. Nagai, and M. Matsumura, “Formation of Atomically Abrupt Si/Ge Hetero-Interface”, The 1997 International Conference on Solid State Devices and Materials (SSDM1997), Hamamatsu, Japan, September 16-19, 1997, paper D-11-4, pp. 532-533.
- S. Sugahara, and M. Matsumura, “Modeling of Germanium Atomic-Layer-Epitaxy”, The 4th International Symposium on Atomic Layer Epitaxy and Related Surface Processes (ALE-4), Linz, Austria, July 29-31, 1996, paper Mo14:45.
- S. Morishita, S. Sugahara, and M.Matsumura, “Atomic-Layer Chemical-Vapor-Deposition of Silicon-Nitride”, The 4th International Symposium on Atomic Layer Epitaxy and Related Surface Processes (ALE-4), Linz, Austria, July 29-31, 1996, paper PSi/Ge2.
- T. Kitamura, S. Sugahara, S. Imai, and M. Matsumura, “A Proposed Atomic-Layer-Deposition of Germanium on Si(100)”, The 1996 International Conference on Solid State Devices and Materials (SSDM1996), Yokohama, Japan, 1996, paper B-2-4, pp. 58-60.
- S. Sugahara, T. Kitamura, S. Imai, Y. Uchida, and M. Matsumura, “Ideal Monolayer Adsorption of Germanium on Si(100) Surface”, The 3rd International Symposium on Atomically Controlled Surfaces and Interfaces (ACSI-3), Raleigh, NC, USA, October 12-14, 1995, paper 16.09, p. 87.
- S. Sugahara, E. Hasunuma, S. Imai, and M. Matsumura, “Modeling of Silicon Atomic-Layer-Epitaxy”, The 3rd International Symposium on Atomically Controlled Surfaces and Interfaces (ACSI-3), Raleigh, NC, USA, October 12-14, 1995, paper 16.11, p. 90.
- S. Sugahara, M. Kadoshima, T. Kitamura, S. Imai, and M. Matsumura, “Atomic Hydrogen-Assisted ALE of Germanium”, MRS 1994 Fall Meeting, Boston, MA, USA, November 28 - December 2, 1994, paper D.
- S. Sugahara, T. Kitamura, S. Imai, and M. Matsumura, “Atomic Layer Epitaxy of Germanium”, The 3rd International Symposium on Atomic Layer Epitaxy and Related Surface Processes (ALE-3), Sendai, Japan, May 25-27, 1994, paper P26, p. 110.
- S. Sugahara, O. Sugiura, and M. Matsumura, “Electronic Structures of Si-Based Manmade Crystals”, The 1992 International Conference on Solid State Devices and Materials (SSDM1992), Tsukuba, Japan, 1992, paper A-6-4, pp. 560-562.